What happens when the eye ages? - a photo on Flickriver

            As we grow older, visual impairments are inevitable. There is an estimated 285 million people worldwide with a visual impairment.

What happens when the eye ages? The lens starts to lose elasticity causing blurred vision and difficulty focusing, and they can also yellow, impacting color perception and decreased recognition of blue hues. Muscles that control the pupil weaken, making it more difficult to adapt from bright to dark spaces, and vice versa. Because of the weakening muscles and decreased size of the pupil, less light is able to enter the eye. This is one reason why the older population requires higher light levels. Another reason is because the number of rods in the eye can decrease as we age, making it more difficult to see in low light.

Seniors need high light levels, but increased light levels aren’t capable of fixing everything. Light quality is just as important. If the light is of poor quality, the levels might not even matter. Lighting cannot completely solve the issues that come with growing older, but good, quality lighting can help increase visual performance and increase quality of life.

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Taken in: UK / England / Mid Devon District / Hemyock (show map)

Taken on: August 25, 2020

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Neil Moralee

Neil Moralee Nikon

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Sets appears in: • ladies in black • Faces more » • Hemyock • Black & White « less

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Camera: Nikon D7200, f/6.3, 1/100 sec, 300mm (=450mm), ISO 720 (more info) (hide info)

Camera:	Nikon D7200
Lens:	18.0-300.0 mm f/3.5-6.3
Aperture:	f/6.3
Exposure Time:	0.01 sec (1/100)
Focal Length:	300mm (35mm equivalent: 450mm)
ISO:	720
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Spot
White Balance:	Auto
Gain Control:	Low gain up
Color Space:	Uncalibrated
Software:	Adobe Photoshop Lightroom 3.6 (Windows)
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